MHT CET 2022 Physics question
A cylindrical tube open at both ends, has a vibrating air column of fundamental frequency 'f' in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the vibrating air column is now
Answer: (A)
Solution
For the open tube of length , the fundamental frequency is . When half of the tube is dipped in water, the air column of length is open at the top and closed at the water surface (a
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